%%% line style
\pgfplotsset
{
  %% change the tick and axis and plots
  % every axis/.append style=
  % {
  % font=\small,
  % line width=1pt,
  % tick style=
  % {
  % line width=0.6pt
  % }
  % }
  %%   change the plots only
  every axis plot/.append style={line width=1pt}
}


%%% legend style
\pgfplotsset
{
  every axis legend/.append style={legend cell align=left}
}


%%% mark size and style
\tikzset
{
  every mark/.append style={scale=0.6}
  % every mark/.append style={mark size=1pt}
}
